U.S. History Timeline By klt9436 May 14, 1607 Jamestown 1607 First English settlement in the New World. Oct 11, 1607 Pocohontas saves John Smith May 8, 1614 Pocohontas marries John Rolfe Dec 21, 1620 Pilgrims arrive to America Feb 7, 1754 French and Indian War Mar 11, 1763 Treaty of Paris 1763 Mar 20, 1765 Stamp Act Apr 4, 1787 U.S. Constitution is written Mar 4, 1792 Cotton Gin is Invented Mar 11, 1820 Missouri Compromise Mar 17, 1823 Monroe Doctrine Feb 10, 1848 The Seneca Falls Convention Mar 5, 1859 John Brown's raid at the Harper Ferry Period: Jan 7, 1861 to Jun 11, 1865 Civil War Jun 2, 1863 Battle of Gettysburg